//
//  Ｃaculate.h
//  OC的block
//
//  Created by hyl on 16/4/3.
//  Copyright © 2016年 hyl. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface _aculate : NSObject
-(int)caculateSumAndMinus:(int(^caculate)(int,int));
@end
